From: Fabio Estevam <fabio.estevam@xxxxxxx> platform_get_resource() may fail, so we should better do a NULL check and return error on failure. Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx> --- Changes since v1: - Instead of using devm_ioremap_resource, do a NULL check on iores drivers/input/touchscreen/mxs-lradc-ts.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/input/touchscreen/mxs-lradc-ts.c b/drivers/input/touchscreen/mxs-lradc-ts.c index 58c016c..71bf493 100644 --- a/drivers/input/touchscreen/mxs-lradc-ts.c +++ b/drivers/input/touchscreen/mxs-lradc-ts.c @@ -630,6 +630,8 @@ static int mxs_lradc_ts_probe(struct platform_device *pdev) spin_lock_init(&ts->lock); iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iores) + return -EINVAL; ts->base = devm_ioremap(dev, iores->start, resource_size(iores)); if (IS_ERR(ts->base)) return PTR_ERR(ts->base); -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html